This is my third year of college, I'm a junior.
這是我上大學(xué)的第三年,我是三年級(jí)學(xué)生。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠氣墊在單軌上行駛而不接觸軌道,時(shí)速可達(dá)每小時(shí)300英里。氣墊船的前途是不可限量的。